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Ara es mostren els items 105-124 de 135

    • Re-analysis of public genetic data reveals a rare X-chromosomal variant associated with type 2 diabetes 

      Bonàs-Guarch, Sílvia; Guindo-Martínez, Marta; Miguel-Escalada, Irene; Grarup, Niels; Sebastian, David; Rodriguez-Fos, Elias; Sánchez, Friman; Planas-Fèlix, Mercè; Cortes-Sánchez, Paula; González, Santi; Timshel, Pascal; Pers, Tune H.; Morgan, Claire C.; Moran, Ignasi; Atla, Goutham; González, Juan R.; Puiggros, Montserrat; Martí, Jonathan; Andersson, Ehm A.; Díaz, Carlos; Badia Sala, Rosa Maria; Udler, Miriam; Leong, Aaron; Kaur, Varindepal; Flannick, Jason; Jorgensen, Torben; Linneberg, Allan; Jorgensen, Marit E.; Witte, Daniel R.; Christensen, Cramer; Brandslund, Ivan; Appel, Emil V.; Scott, Robert A.; Luan, Jian' an; Langenberg, Claudia; Wareham, Nicholas J.; Pedersen, Oluf; Zorzano, Antonio; Florez, Jose C.; Hansen, Torben; Ferrer, Jorge; Mercader, Josep M.; Torrents, David (Nature Publishing Group, 2018-01-22)
      Article
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      The reanalysis of existing GWAS data represents a powerful and cost-effective opportunity to gain insights into the genetics of complex diseases. By reanalyzing publicly available type 2 diabetes (T2D) genome-wide association ...

    • Resource-aware task scheduling 

      Tillenius, Martin; Larsson, Elisabeth; Badia Sala, Rosa Maria; Martorell Bofill, Xavier (Association for Computing Machinery (ACM), 2013)
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      Dependency-aware task-based parallel programming models have proven to be successful for developing application software for multicore-based computer architectures. Here we consider the problem of scheduling tasks not ...

    • RosneT: A block tensor algebra library for out-of-core quantum computing simulation 

      Sánchez Ramírez, Sergio; Conejero Bañón, Francisco Javier; Lordan Gomis, Francesc; Queralt Calafat, Anna; Cortés, Toni; Badia Sala, Rosa Maria; García Sáez, Artur (Institute of Electrical and Electronics Engineers (IEEE), 2021)
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      With the advent of more powerful Quantum Computers, the need for larger Quantum Simulations has boosted. As the amount of resources grows exponentially with size of the target system Tensor Networks emerge as an optimal ...

    • Scalability and parallel execution of OmpSs-OpenCL tasks on heterogeneous CPU-GPU environment 

      Elangovan, Vinoth Krishnan; Badia Sala, Rosa Maria; Ayguadé Parra, Eduard (Springer, 2014)
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      With heterogeneous computing becoming mainstream, researchers and software vendors have been trying to exploit the best of the underlying architectures like GPUs or CPUs to enhance performance. Parallel programming models ...

    • Scalable random forest with data-parallel computing 

      Vázquez-Novoa, Fernando; Conejero Bañón, Francisco Javier; Tatu, Cristian; Badia Sala, Rosa Maria (Springer Cham, 2023)
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      In the last years, there has been a significant increment in the quantity of data available and computational resources. This leads scientific and industry communities to pursue more accurate and efficient Machine Learning ...

    • Scaling irregular array-type reductions in OmpSs 

      Ciesko, Jan; Mateo Bellido, Sergi; Teruel, Xavier; Beltran Querol, Vicenç; Martorell Bofill, Xavier; Badia Sala, Rosa Maria; Labarta Mancho, Jesús José (Barcelona Supercomputing Center, 2015-05-05)
      Text en actes de congrés
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      Array-type reductions represent a frequently occurring algorithmic pattern in many scientific applications. A special case occurs if array elements are accessed in a non-linear, often random manner, which makes their ...

    • Self-adaptive OmpSs tasks in heterogeneous environments 

      Planas Carbonell, Judit; Badia Sala, Rosa Maria; Ayguadé Parra, Eduard; Labarta Mancho, Jesús José (Institute of Electrical and Electronics Engineers (IEEE), 2013)
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      As new heterogeneous systems and hardware accelerators appear, high performance computers can reach a higher level of computational power. Nevertheless, this does not come for free: the more heterogeneity the system presents, ...

    • Síntesi d'alt nivell de circuits asíncrons 

      Badia Sala, Rosa Maria (Universitat Politècnica de Catalunya, 1994-07-20)
      Tesi
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      (Català) A mesura que augmenta el nombre de transistors integrables en un xip, problemes com el desfasament del senyal de rellotge esdevenen cada cop més crítics. Altres avantatges com un consum més baix, una velocitat ...

    • SSMART: smart scheduling of multi-architecture tasks on heterogeneous systems 

      Planas, Judit; Badia Sala, Rosa Maria; Ayguadé Parra, Eduard; Labarta Mancho, Jesús José (Association for Computing Machinery (ACM), 2015)
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      High-performance computers can reach higher levels of computational power when combined with accelerators. Nevertheless, the more heterogeneity the system presents, the more complex becomes the programming task in terms ...

    • Storage-heterogeneity aware task-based programming models to optimize I/O intensive applications 

      Elshazly, Hatem Mohamed Abdelfattah Eid; Ejarque Artigas, Jorge; Badia Sala, Rosa Maria (2022-12-01)
      Article
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      Task-based programming models have enabled the optimized execution of the computation workloads of applications. These programming models can take advantage of large-scale distributed infrastructures by allowing the parallel ...

    • Symmetric rank-k update on clusters of multicore processors with SMPSs 

      Badia Sala, Rosa Maria; Labarta Mancho, Jesús José; Marjanovic, Vladimir; Martín Huertas, Alberto Francisco; Mayo, Rafael; Quintana Ortí, Enrique Salvador; Reyes, Ruymán (IOS Press, 2011)
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      We investigate the use of the SMPSs programming model to leverage task parallelism in the execution of a message-pas sing implementation of the symmetric rank- k update on clusters equipped with multicore processors. Our ...

    • Tareador: a tool to unveil parallelization strategies at undergraduate level 

      Ayguadé Parra, Eduard; Badia Sala, Rosa Maria; Jiménez González, Daniel; Herrero Zaragoza, José Ramón; Labarta Mancho, Jesús José; Subotic, Vladimir; Utrera Iglesias, Gladys Miriam (North Carolina State University, 2015)
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      This paper presents a methodology and framework designed to assist students in the process of finding appropriate task decomposition strategies for their sequential program, as well as identifying bottlenecks ...

    • Task scheduling techniques for asymmetric multi-core systems 

      Chronaki, Kallia; Rico, Alejandro; Casas, Marc; Moretó Planas, Miquel; Badia Sala, Rosa Maria; Ayguadé Parra, Eduard; Labarta Mancho, Jesús José; Valero Cortés, Mateo (2017-07-01)
      Article
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      As performance and energy efficiency have become the main challenges for next-generation high-performance computing, asymmetric multi-core architectures can provide solutions to tackle these issues. Parallel programming ...

    • Task superscalar: an out-of-order task pipeline 

      Etsion, Yoav; Cabarcas, Felipe; Rico Carro, Alejandro; Ramírez Bellido, Alejandro; Badia Sala, Rosa Maria; Ayguadé Parra, Eduard; Labarta Mancho, Jesús José; Valero Cortés, Mateo (IEEE Computer Society Publications, 2010)
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      We present Task Superscalar, an abstraction of instruction-level out-of-order pipeline that operates at the tasklevel. Like ILP pipelines, which uncover parallelism in a sequential instruction stream, task superscalar ...

    • Task-based programming in COMPSs to converge from HPC to big data 

      Conejero, Javier; Corella, Sandra; Badia Sala, Rosa Maria; Labarta Mancho, Jesús José (2017-04-06)
      Article
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      Task-based programming has proven to be a suitable model for high-performance computing (HPC) applications. Different implementations have been good demonstrators of this fact and have promoted the acceptance of task-based ...

    • Task-level checkpointing system for task-based parallel workflows 

      Vergés Boncompte, Pere; Lordan Gomis, Francesc; Ejarque Artigas, Jorge; Badia Sala, Rosa Maria (Springer Nature, 2022)
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      Scientific applications are large and complex; task-based programming models are a popular approach to developing these applications due to their ease of programming and ability to handle complex workflows and distribute ...

    • TaskGenX: A Hardware-Software Proposal for Accelerating Task Parallelism 

      Chronaki, Kallia; Casas, Marc; Moretó Planas, Miquel; Bosch Pons, Jaume; Badia Sala, Rosa Maria (Springer, 2018-05-29)
      Comunicació de congrés
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      As chip multi-processors (CMPs) are becoming more and more complex, software solutions such as parallel programming models are attracting a lot of attention. Task-based parallel programming models offer an appealing approach ...

    • The BioExcel methodology for developing dynamic, scalable, reliable and portable computational biomolecular workflows 

      Ejarque Artigas, Jorge; Andrio Balado, Pau; Hospital Gasch, Adam; Conejero Bañón, Francisco Javier; Lezzi, Daniele; Badia Sala, Rosa Maria; Gelpi Buchaca, Josep Lluís (Institute of Electrical and Electronics Engineers (IEEE), 2022)
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      Developing complex biomolecular workflows is not always straightforward. It requires tedious developments to enable the interoperability between the different biomolecular simulation and analysis tools. Moreover, the need ...

    • The impact of non-additive genetic associations on age-related complex diseases 

      Guindo Martínez, Marta; Amela Milian, Ramon; Bonàs Guarch, Silvia; Puiggros Maldonado, Montserrat; Salvoro, Cecilia; Miguel Escalada, Irene; Sánchez Castaño, Friman; Ramón Cortés, Cristian; Badia Sala, Rosa Maria; Ejarque Artigas, Jorge; Mercader Bigas, Josep Maria; Torrents Rodas, David (2021-04-23)
      Article
      Accés obert
      Genome-wide association studies (GWAS) are not fully comprehensive, as current strategies typically test only the additive model, exclude the X chromosome, and use only one reference panel for genotype imputation. We ...

    • The OmpSs reductions model and how to deal with scatter-updates 

      Ciesko, Jan; Mateo Bellido, Sergi; Teruel, Xavier; Beltran Querol, Vicenç; Martorell Bofill, Xavier; Badia Sala, Rosa Maria; Labarta Mancho, Jesús José (Barcelona Supercomputing Center, 2015-05-05)
      Text en actes de congrés
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      Scatter-updates represent a reoccurring algorithmic pattern in many scientific applications. Their scalable execution on modern systems is difficult due to performance limitations introduced by their irregular memory access ...